ISBN registration group
ISBN group 978-957 — Taiwan
ISBNs beginning 978-957 are issued for Taiwan. The group identifier has 3 digits.
Registrant (publisher) ranges
| Registrant range | Registrant digits | Publication digits | Titles per registrant | Registrants in range |
|---|---|---|---|---|
| 00–02 | 2 | 4 | 10,000 | 3 |
| 0300–0499 | 4 | 2 | 100 | 200 |
| 05–19 | 2 | 4 | 10,000 | 15 |
| 2000–2099 | 4 | 2 | 100 | 100 |
| 21–27 | 2 | 4 | 10,000 | 7 |
| 28000–30999 | 5 | 1 | 10 | 3,000 |
| 31–43 | 2 | 4 | 10,000 | 13 |
| 440–819 | 3 | 3 | 1,000 | 380 |
| 8200–9699 | 4 | 2 | 100 | 1,500 |
| 97000–99999 | 5 | 1 | 10 | 3,000 |
Shorter registrant numbers are issued to larger publishers (more publication digits = more titles).
Reading an ISBN from this group
Every ISBN in this group starts 978-957-. The next digits are the registrant; look up which range the following seven digits fall into to know how long the registrant element is. For example, if the registrant has 2 digits, the publication element has 4 digits, then comes the check digit.
Check, convert or hyphenate any ISBN with the ISBN converter, and make a print-ready barcode with the ISBN barcode generator.
Sources & data
- International ISBN Agency RangeMessage (Fri, 2 Oct 2026 16:08:21 UTC).